package EJBTool.persistent.edit.policies;

import java.util.Collections;
import java.util.List;

import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.RectangleFigure;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.handles.MoveHandle;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.NonResizableEditPolicyEx;
import org.eclipse.gmf.runtime.diagram.ui.tools.DragEditPartsTrackerEx;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrapLabel;

/**
 * @generated
 */
public class EJBToolTextNonResizableEditPolicy extends NonResizableEditPolicyEx
{

	/**
	 * @generated
	 */
	private IFigure selectionFeedbackFigure;

	/**
	 * @generated
	 */
	private IFigure focusFeedbackFigure;

	/**
	 * @generated
	 */
	protected void showPrimarySelection()
	{
		if (getHostFigure() instanceof WrapLabel)
		{
			((WrapLabel) getHostFigure()).setSelected(true);
			((WrapLabel) getHostFigure()).setFocus(true);
		}
		else
		{
			showSelection();
			showFocus();
		}
	}

	/**
	 * @generated
	 */
	protected void showSelection()
	{
		if (getHostFigure() instanceof WrapLabel)
		{
			((WrapLabel) getHostFigure()).setSelected(true);
			((WrapLabel) getHostFigure()).setFocus(false);
		}
		else
		{
			hideSelection();
			addFeedback(selectionFeedbackFigure = createSelectionFeedbackFigure());
			refreshSelectionFeedback();
			hideFocus();
		}
	}

	/**
	 * @generated
	 */
	protected void hideSelection()
	{
		if (getHostFigure() instanceof WrapLabel)
		{
			((WrapLabel) getHostFigure()).setSelected(false);
			((WrapLabel) getHostFigure()).setFocus(false);
		}
		else
		{
			if (selectionFeedbackFigure != null)
			{
				removeFeedback(selectionFeedbackFigure);
				selectionFeedbackFigure = null;
			}
			hideFocus();
		}
	}

	/**
	 * @generated
	 */
	protected void showFocus()
	{
		if (getHostFigure() instanceof WrapLabel)
		{
			((WrapLabel) getHostFigure()).setFocus(true);
		}
		else
		{
			hideFocus();
			addFeedback(focusFeedbackFigure = createFocusFeedbackFigure());
			refreshFocusFeedback();
		}
	}

	/**
	 * @generated
	 */
	protected void hideFocus()
	{
		if (getHostFigure() instanceof WrapLabel)
		{
			((WrapLabel) getHostFigure()).setFocus(false);
		}
		else
		{
			if (focusFeedbackFigure != null)
			{
				removeFeedback(focusFeedbackFigure);
				focusFeedbackFigure = null;
			}
		}
	}

	/**
	 * @generated
	 */
	protected Rectangle getFeedbackBounds()
	{
		Rectangle bounds;
		if (getHostFigure() instanceof Label)
		{
			bounds = ((Label) getHostFigure()).getTextBounds();
			bounds.intersect(getHostFigure().getBounds());
		}
		else
		{
			bounds = getHostFigure().getBounds().getCopy();
		}
		getHostFigure().getParent().translateToAbsolute(bounds);
		getFeedbackLayer().translateToRelative(bounds);
		return bounds;
	}

	/**
	 * @generated
	 */
	protected IFigure createSelectionFeedbackFigure()
	{
		if (getHostFigure() instanceof Label)
		{
			Label feedbackFigure = new Label();
			feedbackFigure.setOpaque(true);
			feedbackFigure
					.setBackgroundColor(ColorConstants.menuBackgroundSelected);
			feedbackFigure
					.setForegroundColor(ColorConstants.menuForegroundSelected);
			return feedbackFigure;
		}
		else
		{
			RectangleFigure feedbackFigure = new RectangleFigure();
			feedbackFigure.setFill(false);
			return feedbackFigure;
		}
	}

	/**
	 * @generated
	 */
	protected IFigure createFocusFeedbackFigure()
	{
		return new Figure() {

			protected void paintFigure(Graphics graphics)
			{
				graphics.drawFocus(getBounds().getResized(-1, -1));
			}
		};
	}

	/**
	 * @generated
	 */
	protected void updateLabel(Label target)
	{
		Label source = (Label) getHostFigure();
		target.setText(source.getText());
		target.setTextAlignment(source.getTextAlignment());
		target.setFont(source.getFont());
	}

	/**
	 * @generated
	 */
	protected void refreshSelectionFeedback()
	{
		if (selectionFeedbackFigure != null)
		{
			if (selectionFeedbackFigure instanceof Label)
			{
				updateLabel((Label) selectionFeedbackFigure);
				selectionFeedbackFigure.setBounds(getFeedbackBounds());
			}
			else
			{
				selectionFeedbackFigure.setBounds(getFeedbackBounds().expand(5,
						5));
			}
		}
	}

	/**
	 * @generated
	 */
	protected void refreshFocusFeedback()
	{
		if (focusFeedbackFigure != null)
		{
			focusFeedbackFigure.setBounds(getFeedbackBounds());
		}
	}

	/**
	 * @generated
	 */
	public void refreshFeedback()
	{
		refreshSelectionFeedback();
		refreshFocusFeedback();
	}

	/**
	 * @generated
	 */
	protected List createSelectionHandles()
	{
		MoveHandle moveHandle = new MoveHandle((GraphicalEditPart) getHost());
		moveHandle.setBorder(null);
		moveHandle.setDragTracker(new DragEditPartsTrackerEx(getHost()));
		return Collections.singletonList(moveHandle);
	}
}
